pkg/analyzer/test/src/diagnostics/invalid_literal_annotation_test.dart

// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:test_reflective_loader/test_reflective_loader.dart';

import '../dart/resolution/context_collection_resolution.dart';

main() {
  defineReflectiveSuite(() {
    defineReflectiveTests(InvalidLiteralAnnotationTest);
  });
}

@reflectiveTest
class InvalidLiteralAnnotationTest extends PubPackageResolutionTest {
  @override
  void setUp() {
    super.setUp();
    writeTestPackageConfigWithMeta();
  }

  test_constConstructor() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'package:meta/meta.dart';
class A {
  @literal
  const A();
}
''');
  }

  test_constPrimaryConstructor() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'package:meta/meta.dart';
class const A() {
  @literal
  this;
}
''');
  }

  test_extensionType_constConstructor() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'package:meta/meta.dart';
extension type const E(int i) {
  @literal
  const E.zero(): this(0);
}
''');
  }

  test_nonConstConstructor() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'package:meta/meta.dart';
class A {
  @literal
// ^^^^^^^
// [diag.invalidLiteralAnnotation] Only const constructors can have the `@literal` annotation.
  A() {}
}
''');
  }

  test_nonConstPrimaryConstructor() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'package:meta/meta.dart';
class A() {
  @literal
// ^^^^^^^
// [diag.invalidLiteralAnnotation] Only const constructors can have the `@literal` annotation.
  this;
}
''');
  }
}